Goldwood GW-1038

Woofer

Nominal diameter10″ / 254 mm
Resonance33.7 Hz
Q factor1.10
Sensitivity87.1 dB
Linear excursion± 2.5 mm
Program power250 W
Frequency
Hz
Impedance
Ω
Impedance phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical phase
°
Group delay
ms
Transient response
ms
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Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 87.1dB
  • Frequency response 29 - 6000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 33.7Hz
  • Mechanical quality factor QMS 4.40
  • Electrical quality factor QES 1.50
  • Total quality factor QTS 1.10

Large signal parameters

  • Maximum linear excursion (one way) xmax 2.5mm
  • Air volume displaced at xmax VD 89cm³
  • Power handling P 130W
  • Program power Pmax 250W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 7.2Ω
  • Inductance (1kHz) LE 0.6mH
  • VC Diameter 38.1mm
  • Winding material Aluminum

Magnet

  • Force factor Bl 6.8N/A
  • Motor constant Bl/√RE 2.53N/√W
  • Weight 0.85kg

Diaphragm

  • Effective diameter 213mm
  • Effective area SD 355cm²
  • Moving mass (including air load) MMS 43.7g
  • Moving mass MMD 39g
  • Material Poly-Mica

Suspensions

  • Stiffness KMS 1.96N/mm
  • Compliance CMS 509µm/N
  • Equivalent volume to the compliance VAS 90.3L
  • Mechanical resistance RMS 2.1N·s/m
  • Surround material Butyl Rubber

Dimensions

  • Nominal diameter 10
  • 254mm
  • Overall diameter 254mm
  • Baffle cutout diameter 235mm
  • Mounting depth 105mm
  • Volume occupied by the driver (estimated) 0.77L
  • Net weight 1.871kg
  • Frame material Stamped Steel
Goldwood GW-1038 SPL

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